[Pacemaker] Corosync over DHCP IP

[Dennis Jacobfeuerborn]

On 02/11/2013 11:30 AM, Andrew Beekhof wrote:
> On Mon, Feb 11, 2013 at 9:24 PM, Viacheslav Biriukov
> <v.v.biriukov at gmail.com> wrote:
>> It is VM in the OpenStack. So we can't use static IP.
>> Right now investigating why interface become down.
> 
> Even if you solve that, dynamic IP addresses are fundamentally
> incompatible with cluster software.
> You're effectively trying to create a cluster out of nodes which
> change their name every time they boot.

DHCP doesn't necessarily mean a dynamic IP. In cloud environments the DHCP
Server usually has a record in the leases database that associates a MAC
address with an IP address so that the host will always get the same IP
assigned.

Regards,
  Dennis